Kwifungisha ibinyomoro muri rusange bishingiye ku guterana amagambo, kandi ihame ryabo ni ugukanda amenyo yometseho mu mwobo wateganijwe w'icyuma. Mubisanzwe, aperture yu mwobo wateganijwe ni nto gato ugereranije nimbuto zometse. Huza ibinyomoro muburyo bwo gufunga. Iyo ukomye ibinyomoro, uburyo bwo gufunga bufunga umubiri wumutegetsi kandi ikadiri yumutegetsi ntishobora kugenda mubwisanzure, igera kuntego yo gufunga; Iyo irekuye ibinyomoro, uburyo bwo gufunga butesha umubiri umutegetsi kandi ikadiri yumutware igenda ikurikirana umubiri.